It's Harry Potter's seventh year at Hogwarts, and Voldemort's power is growing despite the Order's best efforts. An unstoppable plague has been unleashed by Voldemort upon both the muggle and wizarding worlds. Not only that, but a corrupted Seer with his own agenda has been hired by the Dark Lord to try what Voldemort has been so terrified of attempting personally: kill the Boy-Who-Lived. Sequel to Harry Potter and the Maw, though reading HPM is not required. Rated 'R' for violence and language.
Harry Potter's full sixth year. After the confrontation in the Department of Mysteries and Sirius's death, Harry's world has been warped around. Nobody has been unaffected by these events; and the resultant fallout is as thick as it is deadly. Includes a sadistic Hit Wizard, repeated attempts on his life, an incompetent DADA professor, and Harry's almost alien-like new feelings for his best friend. Emphasis on originality. Plenty of twists and action. Rated 'R' for some very mild language and violence. Nothing graphic, though.
Quasi-Sequel to 'The Wounds That Never Heal'. Snape deals with a Boggart in his ingredient chest, and it brings back a slew of memories from his fifth year Yule ball. Snape's POV. Reading the original TWTNH advisable, but not necessary.
Harry Potter had just looked into Snape's pensieve during that fateful session of Occlumency; Severus is left alone afterwards to reflect on his time at Hogwards; and, more specifically, Lily and James's relationship.